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Select Lessons (14)
Acid-Base Equilibrium
Atomic Structure And Related Patterns In The Periodic Table
Bonding And Structure, And Intermolecular Forces
Chemical Equilibrium
D-Block Elements (Transition Elements)
DESCRIPTIVE INORGANIC CHEMISTRY: Group IV (14)
DESCRIPTIVE INORGANIC CHEMISTRY: Halogens (GROUP VII or 17)
DESCRIPTIVE INORGANIC CHEMISTRY: Modern Periodic Table, Periodicity And S-Block Elements
Functional Group Chemistry And Reaction Mechanism
ORGANIC CHEMISTRY: Fundamentals
Raoult’s Law And Phase Equilibria
Reaction Kinetics
Redox  Equilibrium
The Mole Concept
5/70 MCQs for:
Atomic Structure And Related Patterns In The Periodic Table
What happens to the mass number and the atomic number of an element when it undergoes beta decay?
The mass number decreases by 4 and the atomic number decreases by 2.
Neither the mass number nor the atomic number change.
The mass number does not change and the atomic number decreases by 2.
The mass number does not change and the atomic number increases by 1.
In Rutherford's experiments, most of the particles:
combined with the foil.
were sent back to the source.
were absorbed by the foil.
passed through the foil.
Which one of the following processes results in an increase in the atomic number?
gamma emission
alpha emission
beta emission
positron emission
Which particle in atoms is very important in the chemical combination of atoms?
Nucleus
Proton
Electron
Neutron
All of the orbitals in a given electron shell (energy level) have the same value of the ... quantum number.
spin
principal
azimuthal
magnetic
